chemical firm化学公司chemicaladj.化学的n.药品；化学物Chemical Fiber Industry Group化纤工业集团公司Chemical Corps Proving Ground化学兵兵器试验场chemical types of groundwater水化学类型chemical decomposition method化学分解法chemical method of separation化学分离法Chemical Material Study Model化学器材研究模型chemical reaction equilibrium化学反应平衡chemical anti -rust pigment化学防锈颜料chemicals apt to making drugs易制毒化学品chemical mechanical polishing化学机械抛光